20221222221002 has 16 divisors (see below), whose sum is σ = 33091513408224. Its totient is φ = 9190842234000.

The previous prime is 20221222220971. The next prime is 20221222221077. The reversal of 20221222221002 is 20012222212202.

It is a super-2 number, since 2×20221222221002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30788249 + ... + 31438172.

It is an arithmetic number, because the mean of its divisors is an integer number (2068219588014).

Almost surely, 2^{20221222221002} is an apocalyptic number.

20221222221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221222221002 is a deficient number, since it is larger than the sum of its proper divisors (12870291187222).

20221222221002 is a wasteful number, since it uses less digits than its factorization.

20221222221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62241205.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20221222221002 its reverse (20012222212202), we get a palindrome (40233444433204).

The spelling of 20221222221002 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two".